Pitman.



Patented May 6, I902.

G. WILSON.

PIT M A N.

(Application filed Aug. 31, 1901..)

(No Model.)

UNrTnn STATES PATENT OFFICE.

GEORGE \VILSON, OF ROCKFORD, ILLINOIS, ASSIGNOR TO EMERSON MANUFACTURING COMPANY, OF ROCKFORD, ILLINOIS.

PITMAN.

SPECIFICATION forming part of Letters Patent No. 699,358, dated May 6, 1902.

Application filed August 31, 1901. Serial No.74,033. (No model.)

To all whom it may concern:

Be it known that I, GEORGE \VILSON, a citizen of the United States, residing at Rockford, in the county of WVinnebago and State of Illinois, have invented certain new and usefulImprovements in Pitmen, of which the following is a specification.

The object of this invention is to construct a pitman for mowing and harvesting machines, of which the pitman-head has a pivotal connection with the crank-head and the pitman-rod has a ball-and-socket connection with the pitman-head.

In the accompanying drawings, Figure 1 is a plan View of my improved pitman in connection with the crank-head. Fig. 2 is an isometrical representation of my improved pitman-head and pitman-rod. Fig. 3 is a horizontal section through the pitman-head. Fig. 4 is a vertical section through the pitman-head at the point of the ball-and-socket connection between the pitman-head and pitman-rod. Fig. 5 is a section on dotted line a, Fig. 3.

The crank-head 1 has a connection with the driven parts of the mowing or harvesting machine in a manner to be rotated and is provided with a wrist-pin 2.

My improved pitman-head comprises the main section and cap. The main section has a tubular portion 3 of a size to receive the wrist-pin. One-halt 4E of a socket extends from the tubular portion and has a shank portion 5. A cap 6 forms one-half of a socket and has a shank portion7. Both sections of the socket have ears 8, and a staple 9, having its ends threaded, passes through the ears and receives nuts 10 on its projecting ends. The shank portion 7 of the cap is provided with notches 11, and the shank portion 5 has projections 12, so that when the parts are con nected by the staple they will also be locked against lateral movement. One end of the pitman-rod 13 is provided with a ball 14, which is located within the socket of the pitman head. The other end of the pitman-rod has a connection with the knife-head 15 in the usual manner. As the crank-head revolves a reciprocating movement will be imparted to the knife-head through the pitman-head and pitmau-rod. The ball-and-socket connection between the pitman-rod and pitmanhead permits the rocking movement of the cutter-bar, and the elongated opening in the shank portion of the pitman-head accommodates any back-and-forth movement of the cutter-bar.

I claim as my invention- 1. In a pitman, the combination of apitmanhead fitted to receive a wrist-pin of a crank head, a projection extending at right angles from the pitman-head, a cap secured in connection with the projection, the projection and cap having their meeting faces provided wit-h semispherical recesses and a pitmanrod having a ball at one end and located in the recesses.

2. Inapitman,the combination ofapitmanhead fitted to receive a wrist-pin of a crankhead, a projection extending at right angles from the pitman-head, a cap secured in connection with the projection, the projection and cap having their meeting faces provided with semispherical recesses and a pitman-rod having a ball at one end and located in the recesses, the free ends of the projection and cap forming. an elongated opening for the movement of the pitman-rod.

GEORGE WILSON.

WVitnesses:

A. O. BEHEL, E. BEHEL. 

